Ohio

Storm History: Defiance County, Ohio

253 episodes, 333 events since 1957

Every storm the National Weather Service has filed in Defiance County, Ohio: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
333
Deaths
0
Injuries
0
Damage
$4.2 million
Episodes
253

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Defiance County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Hail8600$303,000
Thunderstorm Wind7000$355,000
Tornado5700$3.0 million
Winter Weather3500
Winter Storm2000
Flash Flood1500$365,000
High Wind1400$11,000
Heavy Snow1300
Flood700$30,000
Ice Storm700$30,000
Extreme Cold/Wind Chill500
Blizzard200
Strong Wind100$2,000
Dense Fog100$100,000

The deadliest

None recorded.

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Defiance County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Defiance CountyEvery warning in Defiance County since 1986Every county in Ohio

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.